* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body, #root {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  padding: 0;
  background-color: #f0f2f5;
}
